diff --git a/package-lock.json b/package-lock.json
index 634139ce..62f9fb71 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -890,15 +890,15 @@
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-      "resolved": "https://registry.npmjs.org/@turf/difference/-/difference-6.0.1.tgz",
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+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/@turf/difference/-/difference-6.0.2.tgz",
+      "integrity": "sha512-WtXkvFgOyHqsG3xtYG/m5Su+gkvyCUTbdW0XOuc3Ha2u9UeeBSGwEzTc2y9THDLDhHqR+DlTl1MMEBihXcy3fg==",
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         "@turf/helpers": "6.x",
         "@turf/invariant": "6.x",
         "@turf/meta": "6.x",
-        "martinez-polygon-clipping": "*"
+        "martinez-polygon-clipping": "^0.4.3"
       }
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     "@turf/helpers": {
@@ -907,28 +907,13 @@
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     "@turf/intersect": {
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-      "resolved": "https://registry.npmjs.org/@turf/intersect/-/intersect-6.1.2.tgz",
-      "integrity": "sha512-Uv5Nwn4tn2uKvCVNL33DtxFSZe24pmp67JDI5eFkl9BkDrhCUL4epdMxCfZZNTanGqneXiZ2g+tE2+FCN2RoiA==",
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+      "resolved": "https://registry.npmjs.org/@turf/intersect/-/intersect-6.1.3.tgz",
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-        "martinez-polygon-clipping": "*"
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-          "resolved": "https://registry.npmjs.org/@turf/helpers/-/helpers-6.1.3.tgz",
-          "integrity": "sha512-nBbSk/hi7WC+5F/CKbfkB42ckIm7jms79DutLCD9Q5AYVITNxitP5uPrgE+Sf4VPFTBaEe0e8yzFCRzH9+SAzw=="
-        },
-        "@turf/invariant": {
-          "version": "6.0.1",
-          "resolved": "https://registry.npmjs.org/@turf/invariant/-/invariant-6.0.1.tgz",
-          "integrity": "sha512-yN2GSDgVjRS2LIE+JN2TQmkk2q3z8FwBNFJ1Pw5BUfa1ybR3euk+s6blvYNT95Lu8H46EeSaYTcwMvgpiQneoA==",
-          "requires": {
-            "@turf/helpers": "6.x"
-          }
-        }
+        "martinez-polygon-clipping": "^0.4.3"
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     "@turf/invariant": {
@@ -1561,11 +1546,6 @@
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-    "avl": {
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-      "resolved": "https://registry.npmjs.org/avl/-/avl-1.4.2.tgz",
-      "integrity": "sha512-I+TCAKq/xvg56ye61HS/16F6PezL1eNTf9siT6Lxu3gE7uqHWAtJ006cum5w/rmo8OBRIOIMwVDL75nwolKF4w=="
-    },
     "aws-sign2": {
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       "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
@@ -5705,11 +5685,11 @@
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-      "version": "0.3.3",
-      "resolved": "https://registry.npmjs.org/martinez-polygon-clipping/-/martinez-polygon-clipping-0.3.3.tgz",
-      "integrity": "sha512-SWnF0uzCdo/EUSoJuT3aqN8fC4pWLALqUNdH1xd/dHYBi1DLIdbeJLypbPQN65VCCODnHKMBVQbFhbLdjpBPFQ==",
+      "version": "0.4.3",
+      "resolved": "https://registry.npmjs.org/martinez-polygon-clipping/-/martinez-polygon-clipping-0.4.3.tgz",
+      "integrity": "sha512-3ZNS0ksKhWTLsmCUkNf+/UimndZ5U2cVOS0I+IjiwF+M23E77TmeOZSmbRJbfCoQUog/vcQ42s3DXrhgOhgPqw==",
       "requires": {
-        "avl": "^1.4.1",
+        "splaytree": "^0.1.4",
         "tinyqueue": "^1.2.0"
       }
     },
@@ -8110,6 +8090,11 @@
       "integrity": "sha1-yd96NCRZSt5r0RkA1ZZpbcBrrFc=",
       "dev": true
     },
+    "splaytree": {
+      "version": "0.1.4",
+      "resolved": "https://registry.npmjs.org/splaytree/-/splaytree-0.1.4.tgz",
+      "integrity": "sha512-D50hKrjZgBzqD3FT2Ek53f2dcDLAQT8SSGrzj3vidNH5ISRgceeGVJ2dQIthKOuayqFXfFjXheHNo4bbt9LhRQ=="
+    },
     "split-string": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/split-string/-/split-string-3.1.0.tgz",
diff --git a/package.json b/package.json
index 49d60d40..087091a5 100644
--- a/package.json
+++ b/package.json
@@ -19,8 +19,8 @@
     ],
     "main": "dist/leaflet.pm.min.js",
     "dependencies": {
-        "@turf/difference": "6.x",
-        "@turf/intersect": "6.x",
+        "@turf/difference": "^6.0.2",
+        "@turf/intersect": "^6.1.3",
         "@turf/kinks": "6.x",
         "lodash": "^4.17.11"
     },